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SIM card technology from A-Z - LaForge

36c3 - Hardware & Making - 12/27/2019

Billions of subscribers use SIM cards in their phones. Yet, outside a relatively small circle, information about SIM card technology is not widely known. This talk aims to be an in-depth technical overview.

Today, billions of subscribers use SIM cards in their phones. Yet, outside a relatively small circle, information about SIM card technology is not widely known. If at all, people know that once upon a time, they were storing phone books on SIM cards.
Every so often there are some IT security news about SIM card
vulnerabilities, and SIM card based attacks on subscribers.
Let's have a look at SIM card technology during the past almost 30 years and cover topics like


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